WM9707
Test Characteristics:
AVDD = 5V, GND = 0V …………..T
A
= 0
o
C to +70
o
C, unless otherwise stated
DVDD = 3.3V, GND = 0V …………..T
A
= 0
o
C to +70
o
C, unless otherwise stated
PARAMETER
SNR A-weighted (Note 1)
Full scale output voltage
THD
Frequency response
Transition band
Stop band
Out of band rejection
Spurious tone reduction
PSRR
SNR A-weighted (Note 1)
ADC input for full scale output
THD
Frequency response
Transition band
Stop band
Stop band rejection
PSRR
SNR CD path A-weighted
(Note 1)
SNR Other paths A-weighted
(Note 1)
Maximum input voltage
Maximum output voltage on
LINEOUT
THD
Frequency response (+/-1dB)
Input impedance (CD inputs)
Input impedance (other mixer
inputs)
Input impedance MIC inputs
PSRR
SNR A-weighted (Note 1)
Full scale output voltage
THD
Frequency response
Transition band
Stop band
Out of band rejection
Spurious tone reduction
PSRR
20 to 20kHz
VREF = 1.65V
-3dBFS input
20
19,200
28,800
-40
-100
40
At any gain
At max gain
At 0db gain
At max gain
At 0db gain
20 to 20kHz
DAC Circuit Specifications (AVDD = 3.3V) 48kHz sampling
92
0.7
-85
19,200
28,800
10
50
10
55
0dBv input
20 to 20kHz
90
85
AVSS
1.0
74
20
15
20
100
30
110
50
Mixer Circuit Specifications (AVDD = 5V) 48kHz sampling
100
95
1.0
1.8
-90
20,000
AVDD
VREF = 2.5V
-6dBv input
74
20
19,200
28,800
-74
40
20 to 20kHz
75
ADC Circuit Specifications (AVDD = 5V) 48kHz sampling
90
1.0
-85
19,200
28,800
VREF = 2.5V
-3dBfs input
74 (0.02%)
20
19,200
28,800
-40
-100
40
SYMBOL
TEST CONDITIONS
MIN
85
TYP
95
1.0
-90
19,200
28,800
MAX
Production Data
UNIT
dBv
Vrms
dBv
Hz
Hz
Hz
dB
dB
dB
dB
Vrms
dB
Hz
Hz
Hz
dB
dB
dB
dB
Vrms
Vrms
dB
Hz
kΩ
kΩ
kΩ
kΩ
kΩ
dB
dB
Vrms
dB
Hz
Hz
Hz
dB
dB
dB
DAC Circuit Specifications (AVDD = 5V) 48kHz sampling
w
PD Rev 4.1 June 2006
6
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
